Description
Spare adjustable bubble protractor is a replacement part for models #4, #6, #7, #8, #20 and #33. Precision measuring tool that is designed to assist metalworkers and welders with layout and marking tasks. Includes both the dial and vial assembly. The protractor covers 180 degrees through two 90 degree quadrants, reading in 21/2-degree increments. The bubble is cast in the Aluminium dial. Includes both the dial and vial assembly.
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